Compatible with the Smith & Wesson M&P Shield Plus and Equalizer pistol. The 9mm 15-Round Magazine maximizes your firepower potential, without sacrificing concealability, reliability, or control in fast-action environments. Featuring a proprietary single-to-double-stack design, the precision-machined steel body comes equipped with an extended polymer floor plate with a durable polymer finger extension for improved comfort and control, while the corrosion-resistant black finish repels water, dirt, and debris for enhanced reliability and consistent operation in virtually any target-rich environment.